TERMINAL SECTION OF LINING CASING,申请号PL19810231581-传众专利搜索

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发明名称	TERMINAL SECTION OF LINING CASING
摘要
申请公布号	PL131242(B1)	申请公布日期	1984.10.31
申请号	PL19810231581	申请日期	1981.06.08
申请人		发明人
分类号	E21D;E21D23/00;(IPC1-7):E21D23/00	主分类号	E21D
代理机构		代理人
主权项
地址

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